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癌胚抗原(Cascinoembryonic antigen,简称 CEA)系人类结肠癌的一种胚胎抗原。近来我们的研究显示特定时期胚胎抗原(Stage-specific embryonic antigen,简称 SSEA—1)系一新的人类结肠癌的胚胎抗原。为了解这两种胚胎抗原在结肠癌及正常结肠粘膜上皮的分布,作者用双重免疫荧光染色法(用若丹明标记显示 CEA,用异硫氰酸荧光素标记显示 SSEA—1)进行了研究。结果:1.所有13例结肠癌组织均呈 CEA
Carcinoembryonic antigen (CEA) is an embryonic antigen of human colon cancer. Our recent research shows that Stage-specific embryonic antigen (SSEA-1) is a new embryonic antigen of human colon cancer. To understand the distribution of the two embryonic antigens in colon cancer and normal colon mucosal epithelium, the authors performed a double immunofluorescence staining method (labeling CEA with rhodamine and SSEA-1 with fluorescein isothiocyanate). . Results: 1. All 13 cases of colon cancer were CEA